diff --git a/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/DayPickerViewAnimator.java b/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/DayPickerViewAnimator.java
index e0aeccc..00b7233 100644
--- a/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/DayPickerViewAnimator.java
+++ b/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/DayPickerViewAnimator.java
@@ -14,7 +14,7 @@
 /**
  * Parent of {@link PagingDayPickerView} and {@link MonthPickerView}.
  */
-final class DayPickerViewAnimator extends ViewAnimator {
+public final class DayPickerViewAnimator extends ViewAnimator {
 
     private final Animation mDayPickerInAnimation;
     private final Animation mDayPickerOutAnimation;
diff --git a/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/DayPickerViewPager.java b/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/DayPickerViewPager.java
index d31bf76..7dd7ba9 100644
--- a/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/DayPickerViewPager.java
+++ b/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/DayPickerViewPager.java
@@ -33,7 +33,7 @@
 /**
  * This displays a list of months in a calendar format with selectable days.
  */
-class DayPickerViewPager extends ViewPager {
+public class DayPickerViewPager extends ViewPager {
     private static final String TAG = DayPickerViewPager.class.getSimpleName();
 
     private final ArrayList<View> mMatchParentChildren = new ArrayList<>(1);
diff --git a/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/MonthPickerView.java b/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/MonthPickerView.java
index 6830ebd..06027b6 100644
--- a/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/MonthPickerView.java
+++ b/bottomsheetpickers/src/main/java/com/philliphsu/bottomsheetpickers/date/MonthPickerView.java
@@ -24,7 +24,7 @@
 /**
  * Grid view of selectable months.
  */
-final class MonthPickerView extends View {
+public final class MonthPickerView extends View {
     private static final String TAG = "MonthPickerView";
     
     private static final int NUM_COLUMNS = 3;